Commercial Litigation Damages Expert Witness
Lost profits, breach of contract, IP infringement, and professional negligence quantum
Commercial litigation damages experts quantify financial loss arising from breach of contract, professional negligence, intellectual property infringement, shareholder disputes, and business interruption. The but-for methodology constructs a counterfactual financial model showing the claimant's projected position absent the wrong and compares it to actual outcomes, with separate analysis for expectation loss, reliance loss, and consequential loss subject to Hadley v Baxendale remoteness.
Lost profits and expectation damages require robust financial records, management accounts, and market evidence to support projections. Professional negligence claims demand early attention to SAAMCo scope of duty and Allied Maples loss of chance discounting. IP cases may require parallel analysis of lost profits, reasonable royalty, and account of profits to inform remedy election. Expert determination and arbitration clauses in commercial contracts frequently appoint forensic accountants to resolve quantum without full trial.
Reports are prepared for the Commercial Court, Business and Property Courts, and domestic and international arbitration, with transparent assumptions and sensitivity analysis designed for cross-examination and expert conclaves. Solicitors benefit from instructing experts who understand both the legal framework for recoverable loss and the forensic accounting techniques tribunals expect in complex commercial quantum disputes.
Related Case Types
Frequently Asked Questions
How does a commercial damages expert differ from a PI quantum expert?
A commercial damages expert quantifies financial losses arising from commercial disputes - breach of contract, IP infringement, professional negligence - applying the but-for methodology and Hadley v Baxendale remoteness principles. A PI quantum expert applies the Ogden Tables and discount rate to personal financial losses. The underlying compensatory principle is the same but the methodology differs significantly.
What is the but-for test in commercial damages?
The but-for test asks: but for the breach or wrong, what financial position would the claimant be in? The expert constructs a counterfactual financial model showing the projected position absent the breach and compares it to the actual outcome - quantifying the net financial loss.
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